| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.61 | -0.58 |
| Feb | 2.50 | 3.19 | -0.69 |
| Mar | 3.15 | 3.67 | -0.52 |
| Apr | 3.44 | 3.92 | -0.48 |
| May | 3.82 | 4.14 | -0.32 |
| Jun | 4.54 | 4.67 | -0.13 |
| Jul | 4.45 | 4.67 | -0.22 |
| Aug | 4.10 | 4.66 | -0.56 |
| Sep | 3.65 | 3.95 | -0.30 |
| Oct | 4.54 | 4.88 | -0.34 |
| Nov | 3.37 | 3.76 | -0.39 |
| Dec | 3.69 | 4.58 | -0.89 |
44.28 | 49.70 | -5.42 |